WO2021192765A1 - Appareil d'assemblage de carrosserie de véhicule et procédé d'assemblage de carrosserie de véhicule - Google Patents

Appareil d'assemblage de carrosserie de véhicule et procédé d'assemblage de carrosserie de véhicule Download PDF

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Publication number
WO2021192765A1
WO2021192765A1 PCT/JP2021/006376 JP2021006376W WO2021192765A1 WO 2021192765 A1 WO2021192765 A1 WO 2021192765A1 JP 2021006376 W JP2021006376 W JP 2021006376W WO 2021192765 A1 WO2021192765 A1 WO 2021192765A1
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WIPO (PCT)
Prior art keywords
component
assembly
parts
vehicle body
components
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Application number
PCT/JP2021/006376
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English (en)
Japanese (ja)
Inventor
孝之 星野
幸治 小田
Original Assignee
本田技研工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 本田技研工業株式会社 filed Critical 本田技研工業株式会社
Priority to JP2022509418A priority Critical patent/JPWO2021192765A1/ja
Priority to CN202180021349.1A priority patent/CN115279653A/zh
Publication of WO2021192765A1 publication Critical patent/WO2021192765A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/10—Spot welding; Stitch welding
    • B23K11/11—Spot welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for

Definitions

  • the present invention relates to a vehicle body assembling device and a vehicle body assembling method for a vehicle body formed by assembling a plurality of components composed of one or more parts.
  • the body of a vehicle can be assembled by welding and integrating components consisting of multiple parts with other components.
  • Patent Document 1 describes a vehicle body assembly system in which a component is formed from one or more parts constituting a vehicle body, and the components are welded to each other to assemble a vehicle body structure. A plurality of parts constituting each component are pre-welded to form one component. Then, each component is gathered at a predetermined place and supported by a jig, and then the joint portion of each component is spot-welded by a welding robot to be integrated to assemble the vehicle body.
  • Patent Document 1 since a plurality of parts constituting each component are welded in advance and fixed to each other, when the components are aggregated and their joint portions are welded, due to a dimensional error or the like. Even if the position of a part needs to be corrected, the position cannot be corrected. Therefore, when welding each part of each component, it is necessary to support each part with a highly accurate jig, which may increase the cost of the jig and eventually the cost of the vehicle body. there were.
  • an object of the present invention is to provide a vehicle body assembly device and a vehicle body assembly method capable of assembling a vehicle body at low cost and with high accuracy.
  • one of the present invention is a vehicle body assembly device of a vehicle body composed of a plurality of components composed of one or more parts, and a predetermined portion of the plurality of parts is uncured. Assemble components composed of a plurality of parts are temporarily assembled by adhering them with the above-mentioned adhesive, and the temporary assembly device that maintains the state and the bonded portions of the plurality of parts of the assembly component are welded together. It is characterized by comprising a welding device for welding at least one of the joint portions of the assembly component, other components, and a plurality of assembly components.
  • the other of the present invention is a method of assembling a car body composed of a plurality of components composed of one or more parts, in which a predetermined portion of the plurality of parts is bonded in an uncured state.
  • the assembly components are temporarily assembled by adhering a predetermined portion of a plurality of parts with an adhesive in an uncured state. Therefore, in this temporarily assembled state, the positions of the plurality of parts can be corrected. It will be possible. Therefore, after the temporary assembly, the adhesive portion between the plurality of parts of the assembly component is welded, and at least one of the joint portion between the assembly component and the other component and the joint portion between the plurality of assembly components is welded. When welding, even if there is a misalignment between the temporarily assembled parts, the position can be corrected. As a result, even if the number of parts to be temporarily assembled is large or the shape of the parts is complicated, the vehicle body can be assembled at low cost and with high accuracy without limiting them.
  • a temporary fixing device for temporarily fixing the assembly component to at least one of the other components and the other assembly components so as to have the completed shape of the vehicle body is provided. It is preferable to further prepare.
  • the assembly component is temporarily fixed to at least one of the other components and the other assembly components so as to have the completed shape of the vehicle body. It is preferable that the process is further provided.
  • the temporarily assembled assembly component is temporarily fixed to at least one of the other components and the other assembly components so as to have the completed shape of the vehicle body, a plurality of components are temporarily fixed to the vehicle body. It can be welded while being positioned in the finished shape. As a result, the welding work can be performed accurately and efficiently, the welding workability can be improved, the quality of the vehicle body can be improved, and the versatility can be improved.
  • the position can be corrected, and the position can be corrected at low cost and with high accuracy. You can assemble the car body.
  • This car body assembly device is for assembling a car body composed of a plurality of components composed of one or more parts.
  • adhesives adhesive portions C, D, E, F, of FIG. 3 in which predetermined portions of a plurality of parts are in an uncured state are formed.
  • G, H, I, and the adhesive portions A and B in FIG. 4 are used to temporarily assemble the assembly component 100 composed of a plurality of parts, and the temporary assembly device 10 and the temporary assembly device 10 that maintain the state are temporarily assembled.
  • a temporary fixing device 50 which is installed on the downstream side of the assembly device 10 and temporarily fixes the assembly component 100 to the component 110 composed of one component and the other assembly component 120 so as to have the completed shape of the vehicle body. From the welding device 60 that welds the adhesive portion between the plurality of parts of the assembly component 100 and welds the joint portion between the assembly component 100 and the component 110 and the joint portion between the component 110 and another assembly component 120. , Mainly composed.
  • the above-mentioned "adhesive portion” means a portion where the parts are in contact with each other and are adhered by an adhesive (the same applies to the following description).
  • the assembly component 100 composed of a plurality of parts is a front component arranged on the front side of the vehicle.
  • the assembly component 120 composed of a plurality of parts is a rear floor component arranged behind the assembly component 100 and on the floor side.
  • the component 110 composed of one component is a floor component arranged between both components 100 and 120. Then, the component 110 is arranged between the assembly components 100 and 120, and the joint portions of the components 100, 110 and 120 are welded to each other to form the vehicle body (see FIG. 2).
  • the assembly component 100 in this embodiment is arranged so as to abut against the pair of base parts 101, 102 arranged on both sides in the width direction of the vehicle (X direction in FIG. 3) and the outside of the pair of base parts 101, 102.
  • the vehicle consists of a pair of side components 103, 104, a pair of base components 101, 102, a rear component 105 arranged in contact with the rear of the vehicle, and a pair of side components 103, 104 and a rear component 105. It is composed of an upper component 106 which is arranged so as to abut on the upper side.
  • the pair of base parts 101 and 102 have a symmetrical shape
  • the pair of side parts 103 and 104 also have a symmetrical shape.
  • front means the front end of the vehicle when the vehicle body is completed
  • front end means the front end of the vehicle when the vehicle body is completed.
  • rear means the rear end of the vehicle when the vehicle body is completed, and “rear end” means the rear end of the vehicle when the vehicle body is completed.
  • the base parts 101 and 102 are so-called front side frames, and the base portions 101a and 102a extending in the front-rear direction (Y direction in FIG. 3) of the vehicle with a predetermined length and the rear end portions of the base portions 101a and 102a in the extending direction. It is composed of substantially U-shaped frame-shaped (consisting of a bottom wall and a pair of side walls) extending portions 101b and 102b extending from the sloping portion.
  • the side parts 103 and 104 are so-called wheel house housings, which are inside the outer wall portions 103a and 104a arranged outside the base parts 101 and 102 and the outer wall portions 103a and 104a and are directed diagonally forward. It is composed of arm portions 103b and 104b that extend while being curved.
  • the rear component 105 is a so-called dashboard lower, which extends in the width direction of the vehicle, has the upper surface shapes of the extending portions 101b, 102b of the pair of base components 101, 102, and the pair of side components 103, 104.
  • the shape is generally compatible with the shape of the rear end faces of the outer wall portions 103a and 104a.
  • the upper part 106 is a so-called dashboard upper, which has a substantially U-shaped frame formed from a bottom wall and a pair of side walls, and has a shape extending in the width direction of the vehicle.
  • the front tongue piece 106a projects toward the front of the vehicle from the upper end edge of the side wall on the front side of the vehicle, and the rear tongue piece 106b faces the rear of the vehicle from the upper end edge of the side wall on the rear side of the vehicle. It is protruding.
  • the assembly component 120 is also composed of a plurality of parts (for example, a rear side frame, a plurality of cross members, etc.), but this is omitted for convenience.
  • the vehicle body in this embodiment is configured by assembling a plurality of assembly components 100 and 120 and a component 110 composed of one component (see FIG. 2), but the vehicle body is, for example, a plurality of assemblies. It may be a configuration consisting of only components (a configuration in which a component consisting of one component does not exist). Further, the shape and number of components constituting the vehicle body, the shape and number of parts constituting each component, and the like are not limited to the above aspects.
  • This temporary assembly device 10 temporarily assembles the assembly component 100 by adhering predetermined parts of a plurality of parts with an adhesive that has been uncured, and maintains that state.
  • the temporary assembly device 10 of this embodiment includes a temporary assembly jig 20 that maintains the temporary assembly state of the assembly component, and an adhesive application device 33 that applies the adhesive to a predetermined portion of each component. And a temporary assembly transfer device 35 for transferring each component to a predetermined position of the temporary assembly jig 20.
  • the adhesive in this embodiment is a so-called high-viscosity adhesive such as a one-component heat-curable epoxy adhesive and a one-component heat-curable acrylic adhesive, and has a thixo property.
  • the thixotic property means that in a stationary state, the viscosity increases to become a solid state, while when the shear stress continues to be applied and the shear rate increases, the viscosity decreases to become a liquid state. Further, this adhesive is cured by being heated at a predetermined temperature. Further, as shown in FIG. 5, the adhesive of this embodiment has an electrodeposition baking window (diagonal line in FIG. 5) in FIG. 5 when the horizontal axis is the keep time (minutes) and the vertical axis is the baking temperature (° C.). It is preferable that the above-mentioned performance (thickness property, thermosetting property, etc.) is guaranteed within the area) in the hatching.
  • the temporary assembly jig 20 is configured to be able to hold the shape of the assembly component in a stationary state.
  • the temporary assembly jig 20 in this embodiment includes a base 21, support portions 23 and 25 for base parts that support a pair of base parts 101 and 102, and a pair of side parts 103. It has a side component support portion 27 that supports the 104, and a rear component support portion 29 that supports the rear component 105.
  • the temporary assembly jig 20 makes it possible to maintain the correlation position, posture, and the like between the predetermined parts so that the predetermined parts do not shift with respect to other parts or the predetermined parts do not fall over.
  • the temporary assembly jig 20 of this embodiment is a contact portion of each component, and the direction in which the shear force acts is the above-mentioned receiving member (support portions 23, 25 for the base component) in order to receive the shear force.
  • the structure is provided with a support portion 27 for side parts and a support portion 29) for rear parts. (The support structure of the upper component 106 shown in FIG. 10).
  • the base 21 has a rectangular plate shape that extends long in the front-rear direction of the vehicle.
  • Support portions 23, 23 for base parts which are on the vehicle front side (one end side in the Y direction in FIG. 6) of the base 21 and have a substantially rectangular parallelepiped shape from the upper surfaces on both sides in the width direction (X direction side in FIG. 6). Is projected.
  • Support pins 23a project from the upper surface of the support portion 23 for each base component. Then, the front surface of the lower surface of the base portion 101a of the base component 101 and the base portion 102a of the base component 102 is supported by the support portions 23, 23 for the base component via the support pins 23a, 23a (see FIGS. 7 to 10). For convenience, the support pins 23a are omitted in FIGS. 7 to 10.
  • the base component support portions 23, 23, which are on the rear side of the vehicle (the other end side in the Y direction in FIG. 3) and have a substantially rectangular parallelepiped shape from the upper surfaces on both sides in the width direction. 25 and 25 are projected. Support pins 25a project from the upper surface of the support portion 25 for each base component. Then, the extension portion 101b of the base component 101 and the rear surface of the lower surface of the extension portion 102b of the base component 102 are supported by the support portions 25 and 25 for the base component via the support pins 25a and 25a (FIG. See 7-10). Further, the support pin 25a also serves as a drainage of water accumulated on each component of the assembly component 100. For convenience, the support pins 25a are omitted in FIGS. 7 to 10.
  • side component support portions 27, 27 are provided between the base component support portions 23, 25.
  • the support portion 27 for each side component has a bottom wall 27a fixed to the upper surface of the base 21 and a side wall 27b erected from the bottom wall 27a.
  • the support pin 27c projects from the front side of the vehicle toward the inside of the base 21 so as to be orthogonal to the side wall 27b.
  • the support pin 27d projects from the rear side of the vehicle toward the inside of the base 21 so as to be orthogonal to the side wall 27b.
  • the support pin 27d is provided at a position higher than the support pin 27c in the Z direction in FIG.
  • the support pin 27c supports the front side portion of the arm portion 103b of the side component 103 and the arm portion 104b of the side component 104 on the lower surface side
  • the support pin 27d supports the arm of the side component 103.
  • the lower surface 103c of the outer wall portion 103a of the side component 103 is in contact with the upper surface 101c of the base portion 101a of the base component 101
  • the lower surface 104c of the outer wall portion 104a of the side component 104 is the base portion 102a of the base component 102.
  • a pair of side parts 103, 104 are supported at a predetermined height so as to abut on the upper surface 102c of the above.
  • an adhesive is applied between the lower surface 103c of the outer wall portion 103a of the side component 103 and the upper surface 101c of the base portion 101a of the base component 101, and this portion forms the adhesive portion A (see FIG. 4). ). Further, an adhesive is applied between the lower surface 104c of the outer wall portion 104a of the side component 104 and the upper surface 102c of the base portion 102a of the base component 102, and this portion forms the adhesive portion B (see FIG. 4). ).
  • the extending direction tip portions of the arm portions 103b and 104b of the side parts 103 and 104 are formed. It is arranged on the front outer side of the base parts 101a and 102a of the base parts 101 and 102 (see FIG. 3).
  • support portions 29 and 29 for rear parts having a substantially rectangular parallelepiped shape are projected. These rear component support portions 29, 29 support the rear end faces of both widthwise portions of the rear component 105 (see FIGS. 7 to 10).
  • the lower surface 105a on one side of the rear component 105 in the width direction extends the base component 101.
  • the upper surface 101d of both side walls of the protruding portion 101b is abutted, and the lower surface 105a of the other side portion in the width direction of the rear component 105 is in contact with the upper surface 102d of both side walls of the extending portion 102b of the base component 102.
  • front end surfaces 105b and 105b on both sides of the rear component 105 in the width direction come into contact with the rear end surfaces 103d and 104d of the outer wall portions 103a and 104a of the pair of side components 103 and 104, respectively (see FIG. 4). ).
  • An adhesive is applied between the lower surface 105a on one side of the rear component 105 in the width direction and the upper surface 101d of both side walls of the extending portion 101b of the base component 101, and these portions are the adhesive portions C and D. (See Fig. 3). Further, an adhesive is applied between the lower surface 105a of the other side portion in the width direction of the rear component 105 and the upper surface 102d of both side walls of the extending portion 102b of the base component 102, and this portion is the adhesive portion E, F. (See Fig. 3).
  • the upper component 106 is supported above the pair of side components 103, 104 and the rear component 105, which are supported by the side component support portions 27, 27 and the rear component support portion 29. ing.
  • both side portions of the front tongue piece 106a of the upper component 106 in the width direction are formed on the outer wall portions 103a, 104a of the pair of side components 103, 104a on the rear end side upper surfaces 103e, 104e.
  • the upper part 106 is supported by the entire area of the rear tongue piece 106b of the upper part 106 coming into contact with the front upper surface 105c of the rear part 105 (see FIG. 3).
  • An adhesive is applied between both sides of the front tongue piece 106a of the upper part 106 in the width direction and the upper surfaces 103e and 104e of the rear end side of the pair of side parts 103 and 104a. , This portion forms the adhesive portions G and H (see FIG. 3). Further, an adhesive is applied between the entire area of the rear tongue piece 106b of the upper part 106 and the front upper surface 105c of the rear part 105, and this part forms the adhesive part I (see FIG. 3).
  • the side component support portion 27 directs a pair of side components 103, 104 supported by the side component support portion 27 from the outside to the inside in the width direction of the vehicle. It has a pressing portion 31 for pressing.
  • the pressing portion 31 of this embodiment is arranged on the lower side (lower end side in the Z direction of FIG. 6) of the side component support portion 27 than the pair of support pins 27c and 27d, and has a damper 31a and a damper.
  • the roller 31b is attached to the tip of the shaft portion of the 31a, and the coil spring 31c is interposed around the outer circumference of the shaft portion of the damper 31a to urge the roller 31b.
  • the pressing portion 31 is installed orthogonal to the side wall 27b of the side component support portion 27, similarly to the support pins 27c and 27d, and is installed on the outer surface side of the side component support portion 27.
  • the damper 31a is arranged, and the roller 31b and the coil spring 31c are arranged on the inner surface side of the support portion 27 for the side component.
  • a damper mounting hole 27e is formed in the side component support portion 27.
  • a damper 31a is inserted into the damper mounting hole 27e, and the damper 31a is mounted on the damper mounting hole 27e via a pair of nuts 31d and 31d arranged on the outside and inside of the damper mounting hole 27e.
  • the piston 31e is slidably arranged in the damper 31a, and the internal space of the damper 31a is sealed by the piston 31e. Air of a predetermined pressure is sealed in this internal space, and the piston 31e is pressed by this air.
  • a shaft portion 31f extends from the piston 31e, and a roller bearing 31g having a substantially U-shaped frame shape is fixedly installed at the tip of the shaft portion 31f.
  • the roller 31b is rotatably supported by the roller bearing 31g. Therefore, the roller 31b is pressed via the piston 31e pressed by the air of a predetermined pressure, the shaft portion 31f, and the roller bearing 31g.
  • a coil spring 31c is interposed between the roller bearing 31g and the nut 31d arranged inside the support portion 27 for the side component. The coil spring 31c urges the roller 31b via the roller bearing 31g to reinforce the pressing force acting on the roller 31b.
  • the roller 31b is pressed by the damper 31a and urged by the coil spring 31c, so that the roller 31b presses the side parts 103 and 104 from the outside to the inside of the vehicle.
  • the side parts 103 and 104 are suppressed from falling and maintained in a predetermined posture.
  • the damper 31a suppresses the vibration of the coil spring 31c.
  • the pressing portion is not limited to the above configuration, for example, it may be pressed by a member made of a rubber material, or a frame having the same shape as the side component may be provided and pressed through this frame. Well, there are no particular restrictions.
  • the support portions 25 and 25 for the base component support the extension portions 101b and 102b of the base components 101 and 102, and the upper surfaces thereof are rearward via the adhesive portions C, D, E and F. Both sides of the component 105 in the width direction are in contact with each other and supported. At this time, since the rear component 105 may fall or be displaced, not only the weight of the rear component 105 but also the shearing force acts on the bonded portions C to F.
  • the support portions 25, 25 for the base component are receiving members for receiving such a shearing force.
  • the support portions 23 and 23 for the base component support the base portions 101a and 102a of the base components 101 and 102, and the support portions 25 and 25 for the base component cause the base components 101 and 102 to have a predetermined height from the upper surface of the base 21. It stands out and is supported. Therefore, if the support portions 23 and 23 for the base parts do not exist, the base parts 101 and 102 will fall to the front side of the vehicle. In this case, a shearing force acts on the adhesive portions A and B of the outer wall portions 103a and 104a of the side parts 103 and 104 and the base portions 101a and 102a of the base parts 101 and 102.
  • the support portions 23, 23 for the base component are receiving members for receiving such a shearing force.
  • the side component support portions 27, 27 support the arm portions 103b, 104b of the side components 103, 104, and these arm portions 103b, 104b are arranged above the outer wall portions 103a, 104a.
  • the center of gravity of the side component support portion 27 is located above. Therefore, the side parts 103 and 104 may fall inward or outward in the width direction of the vehicle. Also in this case, a shearing force acts on the adhesive portions A and B of the outer wall portions 103a and 104a of the side parts 103 and 104 and the base portions 101a and 102a of the base parts 101 and 102.
  • the side component support portion 27 is a receiving member for receiving such a shearing force.
  • the rear component support portion 29 supports both sides of the rear component 105 in the width direction, but the rear component 105 may fall or misalign.
  • a shearing force acts on the adhesive portions C, D, E, and F of the rear component 105 on both sides in the width direction and the extension portions 101b and 102b of the base components 101 and 102.
  • the rear component support portion 29 is a receiving member for receiving such a shearing force.
  • the above-mentioned temporary assembly jig can be appropriately changed according to the shape and number of parts to be temporarily assembled, and is not limited to the above-mentioned embodiment. Further, the position of the adhesive portion and the number of the adhesive portions in each component can be appropriately changed according to the shape and the number of the components to be temporarily assembled, and the present invention is not limited to the above mode.
  • the temporary assembly jig 20 is conveyed to the front of the temporary fixing device 50 by the conveying means 40.
  • the transport means 40 in this embodiment is a conveyor, but may be, for example, a self-propelled means provided on the temporary assembly jig itself, as long as the temporary assembly jig can be conveyed.
  • the assembly component 120 is also temporarily assembled by the temporary assembly device as described above via an adhesive in an uncured state, and the state is maintained.
  • the temporary assembly jig in this case has a structure corresponding to the shape of the rear side frame, the plurality of cross members, and the like constituting the assembly component 120.
  • the adhesive coating device 33 is a well-known dispenser robot capable of supplying a predetermined amount of adhesive to a predetermined position.
  • the temporary assembly transfer device 35 in this embodiment is a well-known articulated robot that performs a predetermined operation by an actuator or the like, and a suction pad 35a is provided at the tip thereof.
  • the adhesive coating device and the temporary assembly transfer device may be other than the above modes, and are not particularly limited.
  • the adhesive is applied to each of the adhesive portions A, B, C, D, E, F, G, H, and I of each part 101, 102, 103, 104, 105, 106 by the adhesive application device 33. Will be done.
  • the parts 101 to 105 are sequentially sucked by the suction pad 35a of the temporary assembly transfer device 35, placed at a predetermined position of the temporary assembly jig 20, and supported by the support portions 23, 25, 27, 29.
  • the upper component 106 is placed and supported on the components 103 to 105.
  • the parts 101 to 106 are adhered to each other via the adhesive applied to the adhesive portions A to I, and the assembly component 100 is temporarily assembled and the state is maintained. Further, in this state, the pair of side parts 103 and 104 are pressed from the outside to the inside in the width direction of the vehicle by the pressing portion 31 provided on the support portion 27 for each side part.
  • This temporary fixing device 50 temporarily fixes the assembly component 100 to the component 110 composed of another one component and the other assembly component 120 so as to have the completed shape of the vehicle body.
  • the temporary fixing device 50 of this embodiment includes a mounting portion 51 on which the components 100, 110, 120 are mounted, and a plurality of mounting portions 51 that support the components 100, 110, 120 at predetermined positions.
  • the temporary fixing transfer device 55 that transfers the lower jigs 52, 53, 54 and the respective components 100, 110, 120 to a predetermined position of the mounting portion 51, and the lower jigs 52, 53, 54.
  • the temporary fixing transfer device 55 is a well-known articulated robot that performs a predetermined operation by an actuator or the like, like the temporary assembly transfer device 35, and a suction pad 55a is provided at the tip thereof.
  • the lower jig 52 supports the assembly component 100, and the upper jig 56 is arranged above the lower jig 52 corresponding to the lower jig 52.
  • the lower jig 53 supports the component 110, and the upper jig 57 is arranged above the lower jig 53 corresponding to the lower jig 53.
  • the lower jig 54 supports the assembly component 120, and the upper jig 58 is arranged above the lower jig 54 corresponding to the lower jig 54.
  • each of the upper jigs 56, 57, 58 can perform a predetermined operation (mainly an ascending / descending operation) by an actuator (not shown) or the like, and has a predetermined fixed position with respect to the corresponding lower jigs 52, 53, 54. It is possible to move away from each other so that it becomes. Further, pins (not shown) are projected from the lower jigs 52, 53, and 54, respectively, and these pins are inserted into insertion holes formed in predetermined parts of each component. Further, the upper jigs 56, 57, 58 are formed with fitting holes (not shown) into which the pins of the corresponding lower jigs 52, 53, 54 are fitted.
  • the lower jig 52 supports the assembly component 100, and then the upper jig 56 with respect to the lower jig 52. Is moved close to each other, the pin is fitted into the fitting hole, and the assembly component 100 is repositioned when the assembly component 100 is sandwiched between the jigs 52 and 56 so that the upper jig 56 is in a fixed position. ..
  • the upper jig 57 approaches the lower jig 53.
  • the position of the component 110 is corrected.
  • the upper jig 58 is connected to the lower jig 54. Is moved close to each other, the pin is fitted into the fitting hole, and the assembly component 120 is repositioned when the assembly component 120 is sandwiched between the jigs 54 and 58 so that the upper jig 58 is in a fixed position. ..
  • the position of the component is corrected by the pin of the lower jig, the fitting hole of the upper jig, the insertion hole of the component, and the like. It is merely an example, and is not limited to the above mode.
  • the upper jigs 56 and 58 are provided with clampers 56a and 58a for gripping an unstable portion of the predetermined parts in order to suppress tilting and tilting of the predetermined parts constituting the components 100 and 120, respectively. ..
  • the clamper 56a of the upper jig 56 grips parts other than the pair of base parts 101 and 102, that is, unstable parts of the pair of side parts 103 and 104, the rear part 105, and the upper part 106. Is.
  • the assembly component 100 conveyed by the conveying means 40 is attracted by the suction pad 55a while maintaining its temporarily assembled state, and is transferred to the mounting portion 51 side of the temporary fixing device 50 under a predetermined position. It is supported by the jig 52.
  • the assembly component 120 is transferred to the mounting portion 51 side of the temporary fixing device 50 by the temporary fixing transfer device 55, and is supported by a predetermined lower jig 53 on the rear side of the assembly component 100.
  • the component 110 composed of one component is transferred to the mounting portion 51 side of the temporary fixing device 50 by the temporary fixing transfer device 55, and is arranged between the assembly components 100 and 120, and each component 100 is arranged.
  • the lower jigs 52, 53, 54 support the components 100, 110, 120
  • the pins provided on the lower jigs 52, 53, 54 are the components 100, 110, 120. It is inserted into an insertion hole formed in a predetermined component.
  • the front and rear assembly components 100 and 120 are joined to each other via the components 110 and temporarily fixed so that the vehicle body has a completed shape.
  • the upper jig 56 with respect to the lower jig 52 Moves closer to each other, the pin is fitted into the fitting hole, and the predetermined component is repositioned when the predetermined component is sandwiched between the jigs 52 and 56 so that the upper jig 56 is in a fixed position.
  • the adhesive portions A to I of the parts 101 to 106 are adhered with an uncured adhesive, the predetermined parts are sandwiched between the jigs 52 and 56 to continue applying the shearing force.
  • the viscosity of the adhesive is reduced and the adhesive becomes liquid, so that the position can be corrected.
  • the position is corrected when the upper jig 57 is sandwiched between the lower jig 53 and the lower jig 53 so that the upper jig 57 is in a fixed position, and the assembly component 120 is misaligned.
  • the position of the upper jig 58 is corrected when it is sandwiched between the upper jig 58 and the lower jig 54 so that the upper jig 58 is in a fixed position.
  • This welding device 60 welds the bonding portions A, B, C, D, E, F, G, H, and I of the plurality of parts 101, 102, 103, 104, 105, 106 of the assembly component 100 to each other, and at the same time.
  • the joint portion between the assembly component 100 and the component 110 and the joint portion between the component 110 and the assembly component 120 are welded to each other.
  • the welding device 60 of this embodiment is a well-known articulated welding robot in which a predetermined operation is performed by an actuator or the like to perform spot welding.
  • the welding device may be other than the above-mentioned embodiment, and is not particularly limited.
  • the welding device 60 spot-welds the predetermined weld points on the adhesive portions A to I of the assembly component 100, and the heat is transferred to the uncured adhesive.
  • the portion indicated by the symbol “x” is a portion where two plate members constituting each component are spot-welded in a state of being superposed (two-sheet combined spot welding). ..
  • the portion indicated by the reference numeral “ ⁇ ” is a portion where three plate members constituting each component are spot-welded in a state of being superposed (three-sheet combined spot welding).
  • the welding location is not limited to the above location, and can be appropriately set according to the shape and structure of the part.
  • the uncured adhesive is heated by spot welding the portions indicated by the symbols "x" and " ⁇ " on the adhesive portions A to I of the assembly component 100, respectively.
  • the adhesive is cured and the parts 101 to 106 are firmly joined to each other. That is, the assembly component 100 arranged in the paint drying booth (not shown) is held in the electrodeposition baking window as shown in FIG. 5 for a predetermined time to cure the adhesive.
  • the joint portions of the components 100, 110, and 120 are spot-welded by the welding device 60, so that the vehicle body temporarily fixed to the completed shape is finally fixed and integrated.
  • This vehicle body assembly method is to assemble a vehicle body composed of a plurality of components composed of one or more parts, and a predetermined portion of the plurality of parts is bonded with an adhesive in an uncured state.
  • Temporary fixing step of temporarily fixing so as to be, welding of the adhesive part between the plurality of parts of the assembly component 100, the joint part between the assembly component 100 and the component 120, and the component 110 and other assembly components. It is provided with a welding step of welding the joint portion with the 120.
  • each step will be described in detail.
  • the temporary assembly jig 20 is arranged on the upstream side of the transport means 40. Then, the adhesive coating device 33 of the temporary assembly device 10 applies the adhesive coating device 33 to the adhesive portions A, B, C, D, E, F, G, H, and I of the parts 101, 102, 103, 104, 105, and 106. , Apply adhesive. After that, the parts 101 to 105 are sequentially sucked by the suction pad 35a of the temporary assembly transfer device 35 and placed at a predetermined position of the temporary assembly jig 20.
  • the base component 101 is supported by the support portions 23 and 25 for the base component provided on one side in the width direction of the base 21, and the base component 102 is supported on the other side in the width direction of the base 21. Supports 23 and 25 (see FIG. 7).
  • the side component 103 is supported at a predetermined height by one side component support portion 27, and is pressed from the outside to the inside of the vehicle by the pressing portion 31 to suppress the fall and maintain the predetermined posture. (See FIG. 8).
  • the side component 104 is supported at a predetermined height by the support portion 27 for the other side component, and is pressed from the outside to the inside of the vehicle by the pressing portion 31 to suppress the fall and put it in a predetermined posture. maintain.
  • the base component 101 and the side component 103 are bonded at the adhesive portion A
  • the base component 102 and the side component 104 are bonded at the adhesive portion B.
  • the plurality of parts 101 to 106 are adhered to each other at the adhesive portions A to I to which the uncured adhesive is applied, and the temporarily assembled state is maintained. While the temporary assembly state of the assembly component 100 is maintained, the temporary assembly jig 20 is transported to the front side of the temporary fixing device 50 by the transport means 40.
  • the temporary fixing device 50 is transferred to the mounting portion 51 side and supported by the lower jig 52. ..
  • the assembly component 120 is transferred to the rear side of the assembly component 100 by the temporary fixing transfer device 55, and is supported by a predetermined lower jig 54.
  • the component 110 composed of one component is arranged between the assembly components 100 and 120 by the temporary fixing transfer device 55, and is joined to a predetermined position of each component 100 and 110 by the lower jig 53. To support.
  • the assembly component 100 is sandwiched between both jigs 52 and 56, and the upper jig 58 moves closer to the lower jig 54.
  • the assembly component 120 is sandwiched between the jigs 54 and 58, and the upper jig 57 moves closer to the lower jig 53 to sandwich the component 110 between the jigs 53 and 57.
  • the front and rear assembly components 100 and 120 are joined to each other via the components 110 and temporarily fixed so that the vehicle body has a completed shape (see FIG. 2).
  • the upper jig 56 moves closer to the lower jig 52 as described above. Then, when the predetermined component is sandwiched between the jigs 52 and 56 so that the pin is fitted into the fitting hole and the upper jig 56 is in the fixed position, the predetermined component is corrected in position. At this time, the adhesive portions A to I of the parts 101 to 106 are adhered to each other with an uncured adhesive, but the temporary fixing transfer device 55 continues to apply a shearing force to the adhesive. The viscosity decreases and it becomes liquid, and the position can be corrected.
  • the position of the upper jig 57 is corrected when it is sandwiched between the upper jig 57 and the lower jig 53 so that the upper jig 57 is in a fixed position, and the assembly component 120 is displaced. If the position is misaligned, the position is corrected when the upper jig 58 is sandwiched between the upper jig 58 and the lower jig 54 so that the upper jig 58 is in a fixed position.
  • the welding device 60 spot-welds the predetermined welding points (here, the points indicated by the reference numerals “x” and “ ⁇ ” in FIG. 3) on the bonded portions A to I of the assembly component 100. Then, the heat is transferred to the uncured adhesive, and the adhesive is heated. After that, by arranging the assembly component 100 in a paint drying booth (not shown) for a predetermined time, the adhesive is cured and the parts 101 to 106 can be firmly joined to each other. Further, the joint portion between the assembly component 100 and the component 110 and the joint portion between the component 110 and the assembly component 120 are spot-welded by the welding device 60. As a result, the components 100, 110, and 120 of the vehicle body temporarily fixed to the completed shape are actually fixed to each other, and an integrated vehicle body can be assembled.
  • the predetermined welding points here, the points indicated by the reference numerals “x” and “ ⁇ ” in FIG. 3
  • the joint portion between the assembly component 100 arranged in front of the vehicle and the component 110 composed of one component arranged behind the assembly component 100 and the above.
  • the joint portion between the component 110 and the assembly component 120 arranged behind the component 110 is welded to each other, and the joint portion between the assembly component and another component is welded.
  • the joint portion between the plurality of assembly components is welded.
  • a joint portion between the plurality of assembly components and a joint portion between the plurality of assembly components, and Both joints of the assembly component and the joints of the other components will be welded.
  • the vehicle body assembly device and the vehicle body assembly method described above have the following effects.
  • predetermined portions (adhesive portions A to I) of a plurality of parts 101 to 106 are adhered with an adhesive in an uncured state. Since the assembly component 100 is temporarily assembled, the positions of the plurality of parts 101 to 106 can be corrected in this temporarily assembled state.
  • the assembly component 100 is temporarily fixed to the other assembly component 110 and the other component 120 so as to have the completed shape of the vehicle body. Therefore, since a plurality of components can be welded while being positioned in the completed shape of the vehicle body, welding work can be performed accurately and efficiently, welding workability can be improved, and the quality of the vehicle body can be improved. , Versatility can also be increased.
  • the present invention is not limited to the above-described embodiments, and various modified embodiments are possible within the scope of the gist of the present invention, and such embodiments are also included in the scope of the present invention. ..
  • Temporary assembly device 10 Temporary assembly jig 21 Base 23 Support part for base parts 25 Support part for base parts 27 Support part for side parts 29 Support part for rear parts 31 Pressing part 33 Adhesive application device 35 Transfer device for temporary assembly 40 Transport means 50 Temporary fixing device 52, 53, 54 Lower jig 55 Temporary fixing transfer device 56, 57, 58 Upper jig 60 Welding device 100 Assembly component 110 Component 120 Assembly component 101, 102 Base parts 103, 104 Lateral Part 105 Rear part 106 Upper part A, B, C, D, E, F, G, H, I Welded part

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)

Abstract

La présente invention concerne un appareil d'assemblage de carrosserie de véhicule et un procédé d'assemblage de carrosserie de véhicule avec lesquels il est possible d'assembler une carrosserie de véhicule avec une précision élevée et à faible coût. L'appareil d'assemblage d'une carrosserie de véhicule constituée d'une pluralité de composants, chacun de ceux-ci étant formé à partir d'une ou de plusieurs pièces, comprend : un appareil d'assemblage provisoire (10) pour l'assemblage provisoire d'un composant d'assemblage (100) formé à partir d'une pluralité de pièces par adhérence de sites prescrits de la pluralité de pièces avec un adhésif non durci et le maintien dudit état ; et un appareil de soudage (60) pour souder les sections collées d'une pluralité de pièces (101-106) du composant d'assemblage (100) ensemble et souder des sections jointes du composant d'assemblage (100) et d'un autre composant d'assemblage (110) ensemble et des sections jointes du composant (110) et d'un autre composant d'assemblage (120) ensemble.
PCT/JP2021/006376 2020-03-27 2021-02-19 Appareil d'assemblage de carrosserie de véhicule et procédé d'assemblage de carrosserie de véhicule WO2021192765A1 (fr)

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JP2022509418A JPWO2021192765A1 (fr) 2020-03-27 2021-02-19
CN202180021349.1A CN115279653A (zh) 2020-03-27 2021-02-19 车体组装装置及车体组装方法

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JP2020058333 2020-03-27
JP2020-058333 2020-03-27

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001191968A (ja) * 2000-01-12 2001-07-17 Nissan Motor Co Ltd ワーク接合方法
JP6257752B2 (ja) * 2014-04-09 2018-01-10 本田技研工業株式会社 車体組立システム及び車体組立方法

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Publication number Priority date Publication date Assignee Title
CA1079549A (fr) * 1978-07-28 1980-06-17 Harry E. Featherstone Methode d'assemblage de deux pieces de tole
US6325885B1 (en) * 1997-08-11 2001-12-04 Vicki L. Harrison Temporary pressure-sensitive adhesive
JP2012024908A (ja) * 2010-07-27 2012-02-09 Nissan Motor Co Ltd 溶接接合による組立方法
US8944496B2 (en) * 2011-09-12 2015-02-03 Honda Motor Co., Ltd. Vehicle roof structure
JP5076111B1 (ja) * 2011-11-30 2012-11-21 アキム株式会社 溶接リングの仮付け装置、及び溶接リングの仮付け方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001191968A (ja) * 2000-01-12 2001-07-17 Nissan Motor Co Ltd ワーク接合方法
JP6257752B2 (ja) * 2014-04-09 2018-01-10 本田技研工業株式会社 車体組立システム及び車体組立方法

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